- java.lang.Object
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- javax.swing.plaf.ComponentUI
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- javax.swing.plaf.DesktopPaneUI
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- javax.swing.plaf.basic.BasicDesktopPaneUI
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- Direct Known Subclasses:
- SynthDesktopPaneUI
public class BasicDesktopPaneUI extends DesktopPaneUI
Basic L&F for a desktop.
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Nested Class Summary
Nested Classes Modifier and Type Class and Description protected class
BasicDesktopPaneUI.CloseAction
Handles closing an internal frame.protected class
BasicDesktopPaneUI.MaximizeAction
Handles maximizing an internal frame.protected class
BasicDesktopPaneUI.MinimizeAction
Handles minimizing an internal frame.protected class
BasicDesktopPaneUI.NavigateAction
Handles navigating to the next internal frame.protected class
BasicDesktopPaneUI.OpenAction
Handles restoring a minimized or maximized internal frame.
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Field Summary
Fields Modifier and Type Field and Description protected KeyStroke
closeKey
Deprecated.As of 1.3.protected JDesktopPane
desktop
protected DesktopManager
desktopManager
protected KeyStroke
maximizeKey
Deprecated.As of 1.3.protected KeyStroke
minimizeKey
Deprecated.As of 1.3.protected KeyStroke
navigateKey
Deprecated.As of 1.3.protected KeyStroke
navigateKey2
Deprecated.As of 1.3.
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Constructor Summary
Constructors Constructor and Description BasicDesktopPaneUI()
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Method Summary
Methods Modifier and Type Method and Description protected PropertyChangeListener
createPropertyChangeListener()
Returns thePropertyChangeListener
to install on theJDesktopPane
.static ComponentUI
createUI(JComponent c)
Dimension
getMaximumSize(JComponent c)
Returns the specified component's maximum size appropriate for the look and feel.Dimension
getMinimumSize(JComponent c)
Returns the specified component's minimum size appropriate for the look and feel.Dimension
getPreferredSize(JComponent c)
Returns the specified component's preferred size appropriate for the look and feel.protected void
installDefaults()
protected void
installDesktopManager()
protected void
installKeyboardActions()
protected void
installListeners()
Installs thePropertyChangeListener
returned fromcreatePropertyChangeListener
on theJDesktopPane
.void
installUI(JComponent c)
Configures the specified component appropriately for the look and feel.void
paint(Graphics g, JComponent c)
Paints the specified component appropriately for the look and feel.protected void
registerKeyboardActions()
protected void
uninstallDefaults()
protected void
uninstallDesktopManager()
protected void
uninstallKeyboardActions()
protected void
uninstallListeners()
Uninstalls thePropertyChangeListener
returned fromcreatePropertyChangeListener
from theJDesktopPane
.void
uninstallUI(JComponent c)
Reverses configuration which was done on the specified component duringinstallUI
.protected void
unregisterKeyboardActions()
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Methods inherited from class javax.swing.plaf.ComponentUI
contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, update
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Field Detail
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desktop
protected JDesktopPane desktop
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desktopManager
protected DesktopManager desktopManager
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minimizeKey
@Deprecated protected KeyStroke minimizeKey
Deprecated. As of 1.3.As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.
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maximizeKey
@Deprecated protected KeyStroke maximizeKey
Deprecated. As of 1.3.As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.
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closeKey
@Deprecated protected KeyStroke closeKey
Deprecated. As of 1.3.As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.
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navigateKey
@Deprecated protected KeyStroke navigateKey
Deprecated. As of 1.3.As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.
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navigateKey2
@Deprecated protected KeyStroke navigateKey2
Deprecated. As of 1.3.As of Java 2 platform v1.3 this previously undocumented field is no longer used. Key bindings are now defined by the LookAndFeel, please refer to the key bindings specification for further details.
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Method Detail
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createUI
public static ComponentUI createUI(JComponent c)
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installUI
public void installUI(JComponent c)
Description copied from class:ComponentUI
Configures the specified component appropriately for the look and feel. This method is invoked when theComponentUI
instance is being installed as the UI delegate on the specified component. This method should completely configure the component for the look and feel, including the following:- Install default property values for color, fonts, borders, icons, opacity, etc. on the component. Whenever possible, property values initialized by the client program should not be overridden.
- Install a
LayoutManager
on the component if necessary. - Create/add any required sub-components to the component.
- Create/install event listeners on the component.
- Create/install a
PropertyChangeListener
on the component in order to detect and respond to component property changes appropriately. - Install keyboard UI (mnemonics, traversal, etc.) on the component.
- Initialize any appropriate instance data.
- Overrides:
installUI
in classComponentUI
- Parameters:
c
- the component where this UI delegate is being installed- See Also:
ComponentUI.uninstallUI(javax.swing.JComponent)
,JComponent.setUI(javax.swing.plaf.ComponentUI)
,JComponent.updateUI()
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uninstallUI
public void uninstallUI(JComponent c)
Description copied from class:ComponentUI
Reverses configuration which was done on the specified component duringinstallUI
. This method is invoked when thisUIComponent
instance is being removed as the UI delegate for the specified component. This method should undo the configuration performed ininstallUI
, being careful to leave theJComponent
instance in a clean state (no extraneous listeners, look-and-feel-specific property objects, etc.). This should include the following:- Remove any UI-set borders from the component.
- Remove any UI-set layout managers on the component.
- Remove any UI-added sub-components from the component.
- Remove any UI-added event/property listeners from the component.
- Remove any UI-installed keyboard UI from the component.
- Nullify any allocated instance data objects to allow for GC.
- Overrides:
uninstallUI
in classComponentUI
- Parameters:
c
- the component from which this UI delegate is being removed; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components- See Also:
ComponentUI.installUI(javax.swing.JComponent)
,JComponent.updateUI()
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installDefaults
protected void installDefaults()
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uninstallDefaults
protected void uninstallDefaults()
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installListeners
protected void installListeners()
Installs thePropertyChangeListener
returned fromcreatePropertyChangeListener
on theJDesktopPane
.- Since:
- 1.5
- See Also:
createPropertyChangeListener()
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uninstallListeners
protected void uninstallListeners()
Uninstalls thePropertyChangeListener
returned fromcreatePropertyChangeListener
from theJDesktopPane
.- Since:
- 1.5
- See Also:
createPropertyChangeListener()
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installDesktopManager
protected void installDesktopManager()
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uninstallDesktopManager
protected void uninstallDesktopManager()
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installKeyboardActions
protected void installKeyboardActions()
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registerKeyboardActions
protected void registerKeyboardActions()
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unregisterKeyboardActions
protected void unregisterKeyboardActions()
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uninstallKeyboardActions
protected void uninstallKeyboardActions()
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paint
public void paint(Graphics g, JComponent c)
Description copied from class:ComponentUI
Paints the specified component appropriately for the look and feel. This method is invoked from theComponentUI.update
method when the specified component is being painted. Subclasses should override this method and use the specifiedGraphics
object to render the content of the component.- Overrides:
paint
in classComponentUI
- Parameters:
g
- theGraphics
context in which to paintc
- the component being painted; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components- See Also:
ComponentUI.update(java.awt.Graphics, javax.swing.JComponent)
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getPreferredSize
public Dimension getPreferredSize(JComponent c)
Description copied from class:ComponentUI
Returns the specified component's preferred size appropriate for the look and feel. Ifnull
is returned, the preferred size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method returnsnull
.- Overrides:
getPreferredSize
in classComponentUI
- Parameters:
c
- the component whose preferred size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components- See Also:
JComponent.getPreferredSize()
,LayoutManager.preferredLayoutSize(java.awt.Container)
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getMinimumSize
public Dimension getMinimumSize(JComponent c)
Description copied from class:ComponentUI
Returns the specified component's minimum size appropriate for the look and feel. Ifnull
is returned, the minimum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokesgetPreferredSize
and returns that value.- Overrides:
getMinimumSize
in classComponentUI
- Parameters:
c
- the component whose minimum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components- Returns:
- a
Dimension
object ornull
- See Also:
JComponent.getMinimumSize()
,LayoutManager.minimumLayoutSize(java.awt.Container)
,ComponentUI.getPreferredSize(javax.swing.JComponent)
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getMaximumSize
public Dimension getMaximumSize(JComponent c)
Description copied from class:ComponentUI
Returns the specified component's maximum size appropriate for the look and feel. Ifnull
is returned, the maximum size will be calculated by the component's layout manager instead (this is the preferred approach for any component with a specific layout manager installed). The default implementation of this method invokesgetPreferredSize
and returns that value.- Overrides:
getMaximumSize
in classComponentUI
- Parameters:
c
- the component whose maximum size is being queried; this argument is often ignored, but might be used if the UI object is stateless and shared by multiple components- Returns:
- a
Dimension
object ornull
- See Also:
JComponent.getMaximumSize()
,LayoutManager2.maximumLayoutSize(java.awt.Container)
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createPropertyChangeListener
protected PropertyChangeListener createPropertyChangeListener()
Returns thePropertyChangeListener
to install on theJDesktopPane
.- Returns:
- The PropertyChangeListener that will be added to track changes in the desktop pane.
- Since:
- 1.5
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Document created the 11/06/2005, last modified the 04/03/2020
Source of the printed document:https://www.gaudry.be/en/java-api-rf-javax/swing/plaf/basic/basicdesktoppaneui.html
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